Figure 7. M39029 Part Number Breakdown
66. SHELL. Shells including mounting flanges are of
59. CONTACT APPLICATION. Contacts used for
one-piece construction and designed to retain their
Series 2 connectors are manufactured in accordance
inserts in one position by mechanical means. Each plug
with AS39029. The contact part number breakdown is
and receptacle has at least one blue color band, which
illustrated (Figure 7). The Basic Identification Number
indicates rear release retention system, and is located to
(BIN) or last three digits of contact part number, matches
be readily visible.
standard resistor color code (Figure 8).
67. COUPLING. Connectors shall be capable of being
60. POWER CONTACTS. Power contacts are used to
fully coupled and uncoupled without use of tools.
connect single conductor wire through connectors. The
power contacts range from size 12 through 20 and are of
crimp, front release design. Contacts are listed by size.
denoted by their part numbers. This means that the
Match the required size to connector application, wire
master keyway is rotated to prevent mis-mating of
similar connectors in a proximate location. A plug with
numbers are listed along with corresponding color
bands (Table 2).
with same letter. The inserts do not rotate, only the
keyway is rotated.
61. TOOLING. This procedure is for attaching power
contacts to a single conductor wire. Select proper tooling
69. PART NUMBER. The following Paragraphs contain
for the specific contact put number (Table 3) and refer
information necessary for proper selection and
to NAVAIR 01-1A-505-1, WP 013 00 for correct assembly
procurement of connector (Figure 10).
and crimp procedures.
62. MIL-C-81703 SERIES 3.
70. Basic Part Number. The prefix denotes the basic
63. MIL-C-81073 Series 3 connectors are rack and panel
or push-pull coupled, five keys removable crimp rear
71. Shell Style. The shell style denotes type and
mounting of connector.
contacts. The Series 3 connector has a temperature
range of -67°F (-55°C) to +392°F (+200°C) (Figure 9).
72. Service Class. The service class is a letter code
denoting environment resistant ability.
64. GROMMET SEALING PLUGS. The grommets of
environment resisting connectors are designed to accept
73. Shell Size. Shell size is indicated by a progressive
sealing plugs in accordance with MIL-C-81703 to be
used where unwired contacts are placed. The connector,
when ordered as a unit, will have sealing plugs enclosed
74. Insert Configuration. The insert configuration is the
to equal 15 percent of the number of contacts but not
insert arrangement by number and size of contacts
less than one.
75. Contact Style. The contact style denotes pin or socket
inserts have a resilient face with individual pin barriers
contacts and whether or not the connector is supplied
to seal against the hard face socket insert. The resilient
interface seal provides individual contact seals in mated
condition between each contact and shell.
76. Alternate Position. The alternate position indicates
insert polarization (Figure 4).